The term 'Computer Purchase' can be summarized by two crossword solutions: MOOSE (5 letters) and MOUSE (5 letters). MOOSE stands for 'Management of Organizational Software and Equipment', which is a process used to manage the purchase, installation, and maintenance of computer hardware and software. MOUSE, on the other hand, is an acronym for 'Manually Operated User Selection Equipment', which is a device used to interact with a computer system. Both terms are related to the purchase of computers and their associated hardware and software.